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| undercooked pulp | |||
| cold shut; faulty; fusion; lack of fusion (дефект зварювання); poor penetration; batch stone (дефект скла) | |||
| lack of penetration; faulty fusion; incomplete fusion; lack of fusion; incomplete penetration; spill | |||
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непровар : 1 phrase in 1 subject |
| Metallurgy | 1 |